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After A Clusterware Restart ASM Fails To Start On All But One Node (Doc ID 1581773.1)

Last updated on OCTOBER 29, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.


o Grid Infrastructure on a RAC cluster with OCR in an ASM diskgroup.
o After a clusterware restart the clusterware can only fully initialize on one of the nodes, on the other node(s) the startup partially fails with the following errors in the node alert log ($GRID_HOME/log/<node>/alert<node>.log):

Error 15150 refers to ORA-15150 which means "instance lock mode '%s' conflicts with other ASM instance(s)"  which prevents the startup of the crsd.bin process (ora.crsd)


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